Temiz Karadag, Duygu http://orcid.org/0000-0002-5891-2032
Sahin, Tayfun http://orcid.org/0000-0002-0851-2946
Tekeoglu, Senem http://orcid.org/0000-0001-5539-8755
Ozdemir Isik, Ozlem http://orcid.org/0000-0002-2985-3723
Yazici, Ayten http://orcid.org/0000-0003-2167-4509
Cefle, Ayse http://orcid.org/0000-0002-3273-7969
Article History
Received: 28 January 2019
Accepted: 15 April 2019
First Online: 25 April 2019
Compliance with ethical standards
:
: None of the authors has financial or non-financial conflicts of interest to disclose.
: This article does not contain any studies with animals performed by any of the authors. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by Kocaeli University School of Medicine Ethics Committee for noninvasive clinical trials with protocol number 178 in 16th June 2015 (KOU KAEK 2015/178). The data of this study were derived during a previous study entitled “Evaluation of the ventricular dysfunction by two-dimensional speckle tracking echocardiography in SSc patients without pulmonary hypertension”.
: Informed consent was obtained from all individual participants included in the study.